Associated Press
FILE - In a Feb 27, 2002 file photo, Lew Urry holds up an original alkaline battery that was marketed in 1958, left, and a current battery in Westlake, Ohio. Urry, 76, who still works for Energizer Holdings Inc., developed the first commercially viable alkaline battery. It’s been nearly a quarter of a century since the last big jump in battery technology. As 21st century technology strains to be ever faster, cleaner and cheaper, the battery, an invention from more than 200 years ago keeps holding it back.   (AP Photo/Tony Dejak, File)

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